src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/stubs/NewArrayStub.java

@@ -31,10 +31,11 @@
 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.layoutHelperHeaderSizeShift;
 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.layoutHelperLog2ElementSizeMask;
 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.layoutHelperLog2ElementSizeShift;
 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.readLayoutHelper;
 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.registerAsWord;
+import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.useCMSIncrementalMode;
 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.wordSize;
 import static org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH;
 import static org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.formatArray;
 import static org.graalvm.compiler.hotspot.stubs.NewInstanceStub.refillAllocate;
 import static org.graalvm.compiler.hotspot.stubs.StubUtil.handlePendingException;

@@ -120,11 +121,11 @@
         }
 
         // check that array length is small enough for fast path.
         Word thread = registerAsWord(threadRegister);
         boolean inlineContiguousAllocationSupported = GraalHotSpotVMConfigNode.inlineContiguousAllocationSupported();
-        if (inlineContiguousAllocationSupported && length >= 0 && length <= MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH) {
+        if (inlineContiguousAllocationSupported && !useCMSIncrementalMode(INJECTED_VMCONFIG) && length >= 0 && length <= MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH) {
             Word memory = refillAllocate(thread, intArrayHub, sizeInBytes, logging(options));
             if (memory.notEqual(0)) {
                 if (logging(options)) {
                     printf("newArray: allocated new array at %p\n", memory.rawValue());
                 }